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/**
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* Copyright (C) 2009 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.editor.definedterm.e4.handler;
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import java.util.UUID;
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import javax.inject.Named;
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import org.eclipse.core.commands.operations.IUndoContext;
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import org.eclipse.e4.core.di.annotations.CanExecute;
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import org.eclipse.e4.core.di.annotations.Execute;
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import org.eclipse.e4.ui.di.UISynchronize;
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import org.eclipse.e4.ui.model.application.ui.basic.MPart;
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import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
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import org.eclipse.e4.ui.model.application.ui.menu.MMenuItem;
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import org.eclipse.e4.ui.services.IServiceConstants;
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import org.eclipse.jface.dialogs.MessageDialog;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import eu.etaxonomy.cdm.persistence.dto.AbstractTermDto;
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import eu.etaxonomy.cdm.persistence.dto.TermDto;
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import eu.etaxonomy.cdm.persistence.dto.TermVocabularyDto;
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import eu.etaxonomy.taxeditor.editor.definedterm.e4.DefinedTermEditorE4;
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import eu.etaxonomy.taxeditor.editor.definedterm.operation.DeleteTermBaseOperation;
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import eu.etaxonomy.taxeditor.model.AbstractUtility;
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import eu.etaxonomy.taxeditor.operation.AbstractPostOperation;
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import eu.etaxonomy.taxeditor.store.StoreUtil;
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/**
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*
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* @author pplitzner
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* @since Aug 22, 2017
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*
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*/
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public class DeleteTermBaseHandlerE4 {
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@Execute
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public void execute(@Named(IServiceConstants.ACTIVE_PART) MPart activePart,
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@Named(IServiceConstants.ACTIVE_SELECTION) IStructuredSelection selection, MMenuItem menuItem,
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UISynchronize sync) {
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DefinedTermEditorE4 termEditor = (DefinedTermEditorE4) activePart.getObject();
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if (termEditor.isDirty()){
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boolean proceed = MessageDialog.openQuestion(null,
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"Save changes", "You have made changes that must be saved before this query can be executed. Would you like to proceed?");
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if (proceed) {
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termEditor.save(null);
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} else {
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return;
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}
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}
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String label = menuItem.getLocalizedLabel();
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IUndoContext undoContext = StoreUtil.getUndoContext();
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AbstractPostOperation operation =
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new DeleteTermBaseOperation(label,
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undoContext,
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(AbstractTermDto) selection.getFirstElement(),
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termEditor.getDefinedTermEditorInput(),
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termEditor);
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AbstractUtility.executeOperation(operation, sync);
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}
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@CanExecute
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public boolean canExecute(@Named(IServiceConstants.ACTIVE_SELECTION) IStructuredSelection selection,
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MHandledMenuItem menuItem){
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boolean canExecute = false;
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Object firstElement = selection.getFirstElement();
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canExecute = selection.size()==1
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&& (firstElement instanceof AbstractTermDto);
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UUID vocabularyUuid = null;
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if(firstElement instanceof TermDto){
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vocabularyUuid = ((TermDto) firstElement).getVocabularyUuid();
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}else if(firstElement instanceof TermVocabularyDto){
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vocabularyUuid = ((TermVocabularyDto) firstElement).getUuid();
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}
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canExecute &= vocabularyUuid!=null;
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menuItem.setVisible(canExecute);
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return canExecute;
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}
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}
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